Question

the first term of an arithmetic sequence is 5 and the square of 2nd term is 144 find the common difference​

Answer 1

Answer:

Common difference=7

Explanation:

a=5

a2=12

d=12-5

=7

Answer 2

Answer:

common difference is 7

Explanation:

a = 5 ...........eq(i)

(a+d)² = 144..........eq(ii)

substitute the value of a in eq(ii)

(5+d)² = 144

add square root to both sides

√(5+d)² = √144

5+d = 12

d = 12-5

d = 7

the common difference is 7

Thanks❤ , hope it helps

Thanks❤ , hope it helps Mark as brainliest if it does